Fig. 1

Changes in pH (a), base excess (BE) (b), and sodium (Na+) and chloride (Cl−) (c) during whole lung lavage (WLL). The changes show that the patient gradually developed dilutional hyperchloremic metabolic acidosis. The horizontal axis shows the time. The numbers along the x-axis indicate the following: 1. Both lungs ventilated at an FiO2 of 1.0. 2. After degassing for 15 min. 3. The beginning of lavage. White circled numbers: following saline instillation. Between the white circled numbers: following effluent drainage